Mahle

600cid 4.605 x 1.155RCH, 4.500stroke,6.385rod,0.990pin,45.0cc,637g,15.6CR, 2618 Lateral gas ports, Coatings: Phosphate + Grafal Chevy Big Block 600 cu in.

0.792 x 2.250 x 0.140W CH 83g 1.0mm x 45 Deg. chamfer for round wire locks Universal

0.912 x 2.287 x 0.121W CH 87g LW 1.0mm x 45 Deg. chamfer for round wire locks Universal

0.984 x 2.287 x 0.162W CH 122g 1.0mm x 45 Deg. chamfer for round wire locks Universal

403cid 4.055 x 1.951CH, 3.898stroke,6.417rod,1.358pin,-40.7cc,864g,16.6CR, M142, TBC coated Coatings: Grafal + TBC GM 6.6L Duramax 403 cu in.

407cid 4.075 x 1.951CH, 3.898stroke,6.417rod,1.358pin,-41.8cc,877g,16.5CR, M142, TBC coated w/ 0.075" Deep Valve Pockets GM 6.6L Duramax 407 cu in.

0.827" x 1.6mm Round Wire Lock Universal

0.866" x 1.6mm Round Wire Lock Universal